Amazon prime, prime video, sunk cost fallacy, buy stuff, more value, if use more
offers discount
changes prices often to match market
prime day
return policy is very generous - builds customer loyalty, keeps you buying more, customer for life
fulfillment centers around the work - making it faster
delivery is not cheap but Amazon is very efficient, lost money for two years, kept investors confident, cross subsidized with e commerce site
partnered with cities , lost money = less taxes